`account_expires_on` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
`expire_notification_sent` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
`service_class` char(32) NOT NULL,
`account_expires_on` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
`expire_notification_sent` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
`service_class` char(32) NOT NULL,